TM5-1260-206-34
Table 2-7.
APPS Troubleshooting Procedures - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
DIC PUSHBUTTON INDICATORS NOT LIT
3.
Check that DAC Power indicator is lit.
Step 1.
If yes, do step 2.
If no, refer to table 3-2, malfunction 1.
Using a multi-
Disconnect P5 of cable W101 from J5 of 04S.
Step 2.
meter, perform the following measurement.
Reconnect P5.
Using a multimeter, perform the
Remove DIC top assembly.
Step 3.
following measurement.
If bad
Observe
If good
Pin No.
do step
refer to
+5V
P1-15
4.
malfunc-
tion 2.
(See figure 4-l.) Repair/
Check continuity of OMS wiring.
Step 4.
replace faulty wiring.
Check whether DIC
Disconnect Digital Display from DAC.
Step 5.
pushbutton indicators light.
If yes, refer to table 6-6, step 1.
If no, refer to table 3-2, malfunction 4.
DIGITAL DISPLAY READ-OUT NOT LIT
4.
Check that DIC pushbutton indicators are lit.
If yes, refer to table 6-2, malfunction 1.
If no, refer to table 2-7, malfunction 3.
DIGITAL DISPLAY READ-OUT DOES NOT ZERO
5.
Check that read-out shows
Turn system power off and on.
Step 1.
all zeros.
If yes, do step 2.
If no. refer to table 3-2. malfunction 9.
2-25
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